PREPARATION AND REACTIVITY OF METAL-CONTAINING MONOMERS .24. EQUILIBRIUM IN SOLUTIONS OF METAL(II) COMPLEXES WITH METHACROYLACETONE

被引：3
|
作者：
MOVCHAN, TI
ZHELTVAI, II
VOLOSHANOVSKII, IS
POMOGAILO, AD
机构：
[1] II MECHNIKOV ODESSA STATE UNIV,ODESSA 270000,UKRAINE
[2] ODESSA PHYS CHEM INST,ODESSA 270050,UKRAINE
来源：
BULLETIN OF THE RUSSIAN ACADEMY OF SCIENCES-DIVISION OF CHEMICAL SCIENCE | 1992年 / 41卷 / 09期
关键词：
ALKALINE-EARTH METALS; 3D METALS; METHACROYLACETONE; IONIC STRENGTH; PH-METER METHOD; TRANSITION-METAL COMPLEXES;
D O I：
10.1007/BF00863581
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Stability constants of Mg, Ca, Sr, Ba Mn, Co, Ni, Cu, and Zn complexes with the polymerizable ligand methacrylacetone have been determined in aqueous-dioxane solutions at an ionic strength of mu = 0.1 at 22-degrees-C. The methacroylacetone was shown to contain approximately 30% in the enol form using the pH-meter method. The stability sequence of the transition-metal complexes corresponds to the Irving - Williams stability series for ligands of low molecular weight; for the alkaline-earth metals the stability of the complexes increases with increase in ionic radius. Methacroylacetone-based chelates are significantly less stable than their analogs with unsubstituted acetylacetone.
引用
收藏
页码：1609 / 1614
页数：6
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